Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5476605 | Mn-Zn ferrite | Naoe Hirai, Katsunobu Okutani, Teruo Mori | 1995-12-19 |
| 5200159 | Purified solution containing iron and manganese, and method producing thereof | Naoe Hirai, Teruo Mori, Katsunobu Okutani | 1993-04-06 |
| 5032367 | Method for producing powdered iron oxide | Naoe Hirai, Katsunobu Okutani, Teruo Mori | 1991-07-16 |